General Specifications; Measuring Elements; Electrical Specifications; Mechanical Specifications - YOKOGAWA DO72 Instruction Manual

2. GENERAL SPECIFICATIONS

2.1 Measuring elements

Optical dissolved oxygen sensor in probe body and an oxygen exchange cap (OEC).

2.2 Electrical specifications

Output signal:
Physical layer:
Protocol:
Data rate:
Power supply:
Cable:

2.3 Mechanical specifications

Case/OEC:
OEC sealings / material:
OEC sealing dimensions mm (inch):
Shaft sealing mm (inch):
Housing size (LxDiam.):
Weight:
Sensor mounting system:
Sensor connection:

2.4 Performance

DO72-W Wide measuring range sensor characteristics
Measuring range:
Accuracy:
Repeatability
Temperature accuracy:
DO72-T Trace measuring range sensor characteristics
Measuring range:
Accuracy:
Repeatability
Temperature accuracy:
:
Bi-directional digital communication
RS485
MODBUS, RTU mode
Default 19200 b/s (8, No Parity, 2 stop bits)
+7 ... +30 VDC
Max. 1W in active mode
< 150mW in stand-by mode
WU10 with one side wired pins and the
other side VarioPin connector
Stainless Steel (1.4435), Ra<0.4μm)
O-ring EPDM
ID 9x1 (0.35x0.03)
ID 11x3 (0.43x0.11)
120x12 mm (4.17x0.47)
Min. 100g (0.22 lbs)
Sensor PG13.5 thread
VarioPin, 8 pins
0 – 22.5 mg/L O
± 0.05 mg/L or 1% of reading
whichever greater
± 0.05 mg/L or 1% of reading
whichever greater
≤ 1.0°C (≤ 1.8°F)
0 - 2 mg/L O
± 3 ppb or 3% of reading
whichever greater
± 3 ppb or 3% of reading
whichever greater
≤ 1.0°C (≤ 1.8°F)
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